Why Asteroids Become Big Hot Spots - 0 views
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bloggerent on 27 Jun 18The asteroid is a small point in the universe, but it has become a hot spot for the people of the earth this summer. First, Japan's ostrich 2 probe flew to the asteroid Dragon Palace on the 27th, and then the American Osiris-REx probe will fly to the asteroid Benu in August. Why do humans need to